| | Cutchogue, NY | Willimantic, CT | United States |
| Population | 3,104 | 18,150 | 329,725,481 |
| Female Population | 51.3% | 52.0% | 50.5% |
| Male Population | 48.7% | 48.0% | 49.5% |
| Median Age | 56.2 | 29.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,521 | 17,485 | 309,327,143 |
| Population - 2000 | 2,849 | 15,823 | 285,036,114 |
| Population - 1990 | 2,627 | 14,966 | 251,960,433 |
| Pop. 2000 to Now | 11.4% | 10.9% | 15.6% |
| Pop. 1990 to Now | 20.9% | 17.3% | 30.8% |
| space4 | | | |
| Population Density | 319.1 | 4,126.9 | 93.4 |
| Land Area | 9.7 | 4.4 | 3,531,905.4 |
| Water Area | 0.4 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Cutchogue, NY | Willimantic, CT | United States |
| Age 0 to 4 | 0.9% | 2.2% | 5.9% |
| Age 5 to 9 | 6.9% | 5.5% | 6.1% |
| Age 10 to 14 | 8.0% | 5.8% | 6.6% |
| Age 15 to 17 | 1.1% | 4.0% | 3.9% |
| Age 18 to 20 | 1.2% | 16.2% | 4.0% |
| Age 21 to 24 | 3.1% | 10.2% | 5.2% |
| Age 25 to 34 | 7.9% | 12.8% | 13.8% |
| Age 35 to 44 | 8.2% | 12.6% | 12.9% |
| Age 45 to 54 | 12.5% | 8.9% | 12.6% |
| Age 55 to 59 | 6.4% | 6.0% | 6.7% |
| Age 60 to 64 | 12.7% | 4.6% | 6.3% |
| Age 65 to 74 | 19.0% | 5.9% | 9.6% |
| Age 75 to 84 | 7.2% | 3.1% | 4.5% |
| Age 85 and over | 4.8% | 2.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Cutchogue, NY | Willimantic, CT | United States |
| White | 98.3% | 44.0% | 59.4% |
| Black | 0.5% | 5.2% | 12.2% |
| Asian | 0.0% | 1.9% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 1.1% | 1.9% | 3.2% |
| Hispanic | 0.1% | 46.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Cutchogue, NY | Willimantic, CT | United States |
| Married Population | 66.3% | 24.0% | 49.8% |
| Currently Married | 64.3% | 22.7% | 48.0% |
| Married but Separated | 2.0% | 1.3% | 1.8% |
| Single Population | 33.7% | 76.0% | 50.2% |
| Never Married | 17.9% | 62.2% | 33.8% |
| Divorced | 7.2% | 10.2% | 10.8% |
| Widowed | 8.7% | 3.6% | 5.6% |
| space5 | | | |
| Household Size | 2.50 | 2.40 | 2.60 |
| Households | 1,227 | 6,198 | 124,010,992 |
| Family Households | 892 | 3,185 | 80,755,759 |
| Married couple, w/children | 20.5% | 17.7% | 30.5% |
| Married couple, no children | 69.3% | 28.6% | 42.9% |
| Non Family Households | 335 | 3,013 | 43,255,233 |
| Single householder, w/children | 7.3% | 39.2% | 15.8% |
| Single householder, no children | 2.9% | 14.4% | 10.8% |